http://web.ebscohost.com/src/search?hid=22&sid=81bcc404-b193-40fc-b439-b782e4a9e880%40sessionmgr10&vid=1

Uncheck All at the top of the page and then check the "Photos, Maps & Flags" box. Now search for your topic.

Royalty Free/Free Digital Photo Websites

Pics 4 Learning http://www.pics4learning.com
Pics4Learning should be one of the first places you and your students look for photos and other images online. Educators and students have donated thousands of images for Pics4Learning, so anything you find is free for use in the classroom. Pics4Learning also encourages you and your class to donate digital pictures. (No photos of minors or faces of adults
__The Library of Congress's American Memory Project__
http://memory.loc.gov/ammem/index.html
With a goal of 5 million items -- from speeches to images to video to digitized text and more -- the American Memory project is by far the best source for digital content specific to American History. More than 100 thematic collections make it easy to find images specific to your class's needs. The Browse feature allows you to look for images based on U.S. regions, media type (photos? maps?), time period, or topic
Some other sites to consider:
Kid’s Image Search tools http://www.kidsclick.org/psearch.html
Online Image Libraries http://www.teachers.work.co.nz/Online_Image_Libraries.htm
Discovery Education http://school.discoveryeducation.com/clipart/
The following links are to sites with thousands of free-to-use photos. Beware, however, that these are not education sites and they might contain images inappropriate for K-12 students. You might choose to use these as sources for your own presentations, or for use in secondary or some high school settings.
Flickr http://www.flickr.com
Free Foto http://www.freefoto.com/index.jsp
Public Domain http://www.pdphoto.org/
Jackson, Lorrie. "Sites to See: Free Photos on the Web" Education World, 07/09/2005.05/29/2009
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